import type { Router, RouteRecordRaw } from 'vue-router';

import { usePermissionStoreWithOut } from '/@/store/modules/permission';

import { PageEnum } from '/@/enums/pageEnum';
import { useUserStoreWithOut } from '/@/store/modules/user';
import { useFlowStoreWithout } from '/@/store/modules/flow';

import { PAGE_NOT_FOUND_ROUTE } from '/@/router/routes/basic';

// import { RootRoute } from '/@/router/routes';
import { useDomain } from '/@/locales/useDomain';

import { RootRoute } from '/@@/router/routes';

import { whiteListArr } from '/@@/router/guard/whitelist';

const LOGIN_PATH = PageEnum.BASE_LOGIN;

const ROOT_PATH = RootRoute.path;

const whitePathList: PageEnum[] = [LOGIN_PATH, ...whiteListArr];

export function createPermissionGuard(router: Router) {
  const userStore = useUserStoreWithOut();
  const permissionStore = usePermissionStoreWithOut();
  const firstMenuParams = permissionStore.getFirstMenuParams;
  const flowStore = useFlowStoreWithout();

  const { getDomain, changeTenantId } = useDomain();

  router.beforeEach(async (to, from, next) => {
    //页面嵌入到外部系统
    if (to.query.tenantId && to.query.token) {
      if (permissionStore.getIsDynamicAddedRoute) {
        next();
        return;
      }
      userStore.setToken(to.query.token as string);
      changeTenantId(to.query.tenantId as string);

      await gatherRoutes(true, next);
    }

    if (
      from.path === ROOT_PATH &&
      to.path === firstMenuParams?.redirect &&
      userStore.getUserInfo.homePath &&
      userStore.getUserInfo.homePath !== firstMenuParams?.redirect
    ) {
      next(userStore.getUserInfo.homePath);
      return;
    }

    const token = userStore.getToken;

    // Whitelist can be directly entered
    if (whitePathList.includes(to.path as PageEnum)) {
      if (to.path === LOGIN_PATH && token) {
        const isSessionTimeout = userStore.getSessionTimeout;
        try {
          await userStore.afterLoginAction();
          if (!isSessionTimeout) {
            next((to.query?.redirect as string) || '/');
            return;
          }
        } catch {}
      }
      next();
      return;
    }
    // token or user does not exist
    if (!token) {
      // You can access without permission. You need to set the routing meta.ignoreAuth to true
      if (to.meta.ignoreAuth) {
        next();
        return;
      }

      // redirect login page
      const redirectData: { path: string; replace: boolean; query?: Recordable<string> } = {
        path: LOGIN_PATH,
        replace: true,
      };
      if (to.path) {
        redirectData.query = {
          ...redirectData.query,
          domain: getDomain.value,
          redirect: to.path,
        };
      }
      next(redirectData);
      return;
    }

    // Jump to the 404 page after processing the login
    if (
      from.path === LOGIN_PATH &&
      to.name === PAGE_NOT_FOUND_ROUTE.name &&
      to.fullPath !== (userStore.getUserInfo.homePath || firstMenuParams?.redirect)
    ) {
      next(
        userStore.getUserInfo.homePath ||
          firstMenuParams?.redirect ||
          (RootRoute.redirect! as string),
      );
      return;
    }

    if (to.fullPath === ROOT_PATH) {
      next(firstMenuParams?.redirect || (RootRoute.redirect as string));
      return;
    }

    // get userinfo while last fetch time is empty
    if (userStore.getLastUpdateTime === 0) {
      try {
        await userStore.getUserInfoAction();
      } catch (err) {
        next();
        return;
      }
    }

    if (permissionStore.getIsDynamicAddedRoute) {
      next();
      return;
    }

    async function gatherRoutes(specialUser, next) {
      const routes = await permissionStore.buildRoutesAction(specialUser);

      routes.forEach((route) => {
        router.addRoute(route as unknown as RouteRecordRaw);
      });

      router.addRoute(PAGE_NOT_FOUND_ROUTE as unknown as RouteRecordRaw);

      permissionStore.setDynamicAddedRoute(true);

      if (to.name === PAGE_NOT_FOUND_ROUTE.name) {
        // 动态添加路由后，此处应当重定向到fullPath，否则会加载404页面内容

        next({ path: to.fullPath, replace: true, query: to.query });
      } else {
        const redirectPath = (from.query.redirect || to.path) as string;
        const redirect = decodeURIComponent(redirectPath);
        const nextData = to.path === redirect ? { ...to, replace: true } : { path: redirect };
        next(nextData);
      }

      if (flowStore.getFlowReleaseParams) {
        await flowStore.releaseFlowProcess(flowStore.getFlowReleaseParams);
      }
    }

    await gatherRoutes(false, next);
  });
}
